Home / 129,131.01-193,718.52-40,367.16

Finding the Fourth Proportional to 129,131.01, 193,718.52 and 40,367.16

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Solution

The fourth proportional to 129,131.01, 193,718.52 and 40,367.16 is: 60,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,131.01 : 193,718.52 = 40,367.16 : x
  2. Step 2: Convert to fraction form
    129,131.01/193,718.52 = 40,367.16/x
  3. Step 3: Cross multiply
    129,131.01x = 193,718.52 × 40,367.16
  4. Step 4: Simplify right side
    129,131.01x = 7,819,866,491.80
  5. Step 5: Solve for x
    x = 7,819,866,491.80/129,131.01
  6. Step 6: Final answer
    x = 60,557.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.